//Here's the DROPDOWN MENU functions called from the top MOUSEOVERS***************************************************
var agt=navigator.userAgent.toLowerCase();
var ie  = (agt.indexOf("msie") != -1);
var timecounter=0,timestamp=0;

//START THE MENU LOOP TO TIMEOUT SUBS
setInterval('menuloop()', 300);

function dropdown1(){

	//Hide menu DIV
	killsubs();
	//Reset timer
	timestamp=0;
	
	//show menu DIV
	if(ie){
		document.all["menua"].style.visibility="visible";
	}else{
		document.getElementById("menua").style.visibility="visible";
	}
}
function dropdown2(){

	//Hide menu DIV
	killsubs();
	//Reset timer
	timestamp=0;
	
	//show menu DIV
		if(ie){
			document.all["menub"].style.visibility="visible";
		}else{
			document.getElementById("menub").style.visibility="visible";
		}
}

//Here's the functions to hide the MENUS***************************************************
function killsubs(){

		swapTopImgRestore();
		timestamp=0;
		
		if(ie){
			document.all["menua"].style.visibility="hidden";
			document.all["menub"].style.visibility="hidden";
		}else{
			document.getElementById("menua").style.visibility="hidden";
			document.getElementById("menub").style.visibility="hidden";
		}
}

function menuloop(){
	timecounter++;
	if(timestamp && timestamp < timecounter){
		killsubs();
	}
}
function onsub(){
	timestamp = 0;
}
function outsub(){
	timestamp = timecounter + 1;
}